update gem lockfile

Gemfile.lock

@@ -3,9 +3,9 @@ GEM
   specs:
     adsf (1.1.1)
       rack (>= 1.0.0)
-    bson (1.8.4)
-    bson_ext (1.8.4)
-      bson (~> 1.8.4)
+    bson (1.8.5)
+    bson_ext (1.8.5)
+      bson (~> 1.8.5)
     coderay (1.0.9)
     colored (1.2)
     commonjs (0.2.6)
@@ -23,9 +23,9 @@ GEM
       commonjs (~> 0.2.6)
     libv8 (3.11.8.17)
     method_source (0.8.1)
-    mime-types (1.21)
-    mongo (1.8.4)
-      bson (~> 1.8.4)
+    mime-types (1.22)
+    mongo (1.8.5)
+      bson (~> 1.8.5)
     multi_json (1.7.2)
     nanoc (3.6.2)
       cri (~> 2.3)
@@ -47,7 +47,7 @@ GEM
       ref
     typogruby (1.0.15)
       rubypants
-    uglifier (1.3.0)
+    uglifier (2.0.1)
       execjs (>= 0.3.0)
       multi_json (~> 1.0, >= 1.0.2)